LG LS-D1862HL Service Manual ▷ View online
The function of main control
1. Time delay Safety Control
• 3min... The compressor is ceased for 3minutes to balance the pressure in the refrigeration cycle.
(Protection of compressor)
• 5sec... Vertical air flow direction control louvers open in 5 seconds to prevent noise between louvers and wind.
• 30sec... The 4-way valve is ceased for 30sec. to prevent the refrigerant-gas abnormal noise when the Heating
operation is OFF or switched to the other operation mode while compress is off.
While compressor is running, it takes 3~5 seconds to switch.
While compressor is running, it takes 3~5 seconds to switch.
2. Airflow Direction Control
• This function is to swing the louver up and down automatically and to set it at the desired position.
• The procedure is as the following.
1st ; Press the ON/OFF Button to operate the product.
2nd ; Press the Airflow Direction Control Button to swing the louver up and down automatically.
3nd ; Repress the Airflow Direction Control Button to set the louver as the desired position.
3. Cooling Mode Operation
• When selecting the Cooling(
) Mode Operation, the unit will operate according to the setting by the
remote controller and the operation diagram is as following.
4. Cooling or Heating Mode with Sleep Mode Auto Operation
• When selecting the Cooling(
) or the Heating( ) combined with the Sleep Mode Auto Operation( ), the
operation diagram is as following.
- 13 -
Operation Details
0
1
2
3
4
5
110
Cooling
Cooling
Horizontal
Setting point:
Heating
Heating
(Close)
Approx. 28
6
7
7
9
Approx. 28
INTAKE AIR TEMP.
SETTING TEMP. +0.5°C
(COMPRESSOR ON)
SETTING TEMP. -0.5°C
(COMPRESSOR OFF)
Selecting
fan speed
fan speed
Selecting
fan speed
fan speed
More than
3 minutes
More than
3 minutes
Selecting
fan speed
fan speed
COMPRESSOR
ON
OFF
ON
OFF
ON
INDOOR FAN SPEED
Low
Low
■
Cooling Mode with the Sleep Mode
• The setting temperature will be raised by 1°C 30minutes later and by 2°C 1 hour later.
• The operation will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.
■
Heating Mode with the Sleep Mode
• The operation will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.
- 14 -
INTAKE AIR TEMP.
SETTING TEMP. +0.5°C
(Compressor. ON)
SETTING TEMP. -0.5°C
(Compressor. OFF)
30 minutes
30 minutes
More than
3 minutes
1°C
1°C
More than
3 minutes
COMPRESSOR
ON
OFF
ON
OFF
ON
INDOOR FAN SPEED
Low
Low
Low
Low
Low
SETTING TEMP. +3°C
(Compressor OFF)
(Compressor OFF)
SETTING TEMP.
(Compressor ON)
(Compressor ON)
More than
3 minutes
More than
3 minutes
More than
3 minutes
COMPRESSOR
ON
OFF
ON
OFF
ON
OFF
INDOOR FAN SPEED
MED
LOW or OFF
MED
LOW or OFF
MED
LOW or OFF
5. Auto Operation (Fuzzy Operation)
• The operation procedure is as following. (Cooling & Heating Model)
❋
If initial mode is decided, that mode
is continued without the room temper-
ature changing.
❋
For cooling operation mode over 24°C setting temperature and fan speed are same as cooling only model.
■
Auto Operation(Fuzzy Operation) for Cooling (Cooling only Model)
- 15 -
Press Start/Stop Button
Select Auto Operation (Fuzzy Operation) Mode
Check the Room temperature
Operation mode
Indoor fan speed
are automatically decided by Fuzzy rule.
Setting temperature
Intake-air
temperature
Operation Mode
Over
below
21°C
24°C
Soft Dry
below 21°C
Heating
Over 24°C
Cooling
~
INTAKE-AIR TEMP.
SETTING TEMP. +0.5°C
(Compressor OFF)
(Compressor OFF)
SETTING TEMP. -0.5°C
(Compressor ON)
(Compressor ON)
COMPRESSOR
ON
OFF
ON
OFF
INDOOR FAN SPEED
Fuzzy Speed
Intake-air Temperature
Setting Temperature
Over 26°C
25°C
Over 24°C~below 26°C
Intake air -1°C
Over 22°C~below 24°C
Intake air -0.5°C
Over 20°C~below 22°C
Intake air temperature
below 20°C
20°C
Over 20°C~below 30°C
Fuzzy control
below 20°C
20°C
over 30°C
30°C
Operation Condition
When Auto Operation
initial start
initial start
Controlled by
Fuzzy logic
In this mode,
when pressing
the vertical air
direction control
button, louvers
moves to 1/f
rhythm (refer to
page 17)
when pressing
the vertical air
direction control
button, louvers
moves to 1/f
rhythm (refer to
page 17)
Fan Speed
Air DirectionControl
When pressing room
temperature setting
button during Auto
Operation
temperature setting
button during Auto
Operation
■
Auto Operation (Fuzzy Operation) for Soft Dry
• The Setting temperature will be same that of the auto operation for cooling.
- Compressor ON temperature; Setting temperature +1°C
- Compressor OFF temperature; Setting temperture -0.5°C
- Compressor OFF temperature; Setting temperture -0.5°C
■
Auto Operation (Fuzzy Operation) for Heating
- Compressor ON temperature; Setting temperature
- Compressor OFF temperature; Setting temperature +3°C
- 16 -
Intake Air temp.
Below 20°C
Over 20°C~below 21°C
Over 30°C
Setting temp.
20°C
Intake air temperature +0.5°C
30°C
• 1/f rhythm louver operation : In Auto operation mode, when pressing the vertical air direction control button,
louver moves as following cycle.
MODE0
MODE1
MODE2
MODE3
End
Start
MODE9
(CLOSED)
MODE4
MODE5
MODE6
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